#include <iostream>
using namespace std;

class Solution {
public:
// https://leetcode-cn.com/problems/longest-substring-without-repeating-characters/
    int lengthOfLongestSubstring(string s) {
       return 0;
    }
};


int main(int argc, char** args) {
    cout << "hhh" << endl;
    return 0;
}